diff --git a/adafruit_ble_broadcastnet.py b/adafruit_ble_broadcastnet.py
index 2c7f7e9..60bdd15 100644
--- a/adafruit_ble_broadcastnet.py
+++ b/adafruit_ble_broadcastnet.py
@@ -161,6 +161,9 @@ class AdafruitSensorMeasurement(Advertisement):
     """Battery voltage in millivolts. Saves two bytes over voltage and is more readable in bare
        packets."""
 
+    sound_level = ManufacturerDataField(0x0A16, "<f")
+    "Sound level as a float"
+
     def __init__(
         self, *, entry: Optional[ScanEntry] = None, sequence_number: int = 0
     ) -> None:
diff --git a/examples/ble_broadcastnet_cpb.py b/examples/ble_broadcastnet_cpb.py
index 41c99d7..d049054 100644
--- a/examples/ble_broadcastnet_cpb.py
+++ b/examples/ble_broadcastnet_cpb.py
@@ -13,7 +13,7 @@
     measurement = adafruit_ble_broadcastnet.AdafruitSensorMeasurement()
 
     measurement.temperature = cp.temperature
-    # add sound level
+    measurement.sound_level = cp.sound_level
     measurement.light = cp.light
     measurement.value = cp.switch
     # measurement.acceleration = cp.acceleration